031  
FNUS74 KOHX 191552  
FWSOHX  
 
SPOT FORECAST FOR NORTHERN SPAIN CREEK 4-19-2025...NPS  
NATIONAL WEATHER SERVICE NASHVILLE TN  
1052 AM CDT SAT APR 19 2025  
 
FORECAST IS BASED ON IGNITION TIME OF 1100 CDT ON APRIL 19.  
PLEASE CONTACT OUR OFFICE AT (615)754-8502, IF YOU HAVE QUESTIONS  
OR CONCERNS WITH THIS FORECAST.  
   
DISCUSSION
 
 
WITH GUSTY SOUTHWEST WINDS UNTIL 4-5 PM TODAY, RH VALUES SHOULD  
ONLY BOTTOM OUT AROUND 45 PERCENT THIS AFTERNOON. MIXING HEIGHTS  
SHOULD CLIMB ABOVE 3KFT BEFORE NOON.  
   
REST OF TODAY
 
 
MAX TEMPERATURE.....AROUND 86.  
MIN HUMIDITY........46 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (CDT) 11A 12P 1PM 2PM 3PM 4PM 5PM  
SKY (%).........79 80 79 70 62 67 73  
WEATHER COV.....  
WEATHER TYPE....  
TEMP............75 78 80 82 84 84 83  
RH..............66 60 54 51 48 46 48  
20FT WIND DIR...SW SW SW SW SW SW S  
20FT WIND SPD...9 9 9 8 7 8 6  
20FT WIND GUST..20 18 17 17 17 16 15  
MIX HGT (KFT)...2.8 3.3 3.9 4.4 5.3 5.4 3.7  
MIX HGT (KM)....0.9 1.0 1.2 1.3 1.6 1.6 1.1  
TRANSP WIND DIR.SW SW SW SW SW SW S  
TRANSP WIND SPD.22 20 20 17 18 16 14  
TRANS SPD (M/S).10 9 9 8 8 7 6  
DISPERSION IDX..62 65 77 77 97 87 51  
LVORI...........1 1 1 1 1 1 1  
CHC OF THDR (%).0 0 0 0 0 0 0  
   
TONIGHT
 
 
MIN TEMPERATURE.....AROUND 64.  
MAX HUMIDITY........81 PERCENT.  
CHANCE OF THUNDER...0 PERCENT.  
 
TIME (CDT) 6 PM 8 PM 10 PM MIDNGT 2 AM 4 AM  
SKY (%).........77 81 75 75 49 57  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TEMP............82 76 73 71 69 67  
RH..............51 62 66 71 73 78  
20FT WIND DIR...S S S S S S  
20FT WIND SPD...6 3 5 5 6 6  
20FT WIND GUST..13 12 12 13 14 14  
MIX HGT (FT)....1500 400 400 400 400 400  
MIX HGT (M).....460 120 120 120 120 120  
TRANSPORT WIND..SW 10 S 9 S 10 S 13 S 14 S 13  
TRAN WIND (M/S).SW 4 S 4 S 4 S 6 S 6 S 6  
CHC OF THDR (%).0 0 0 0 0 0  
   
SUNDAY
 
 
MAX TEMPERATURE.....AROUND 85.  
MIN HUMIDITY........43 PERCENT.  
CHANCE OF THUNDER...3 PERCENT.  
 
TIME (CDT) 6 AM 8 AM 10 AM NOON 2 PM 4 PM  
SKY (%).........66 73 70 63 58 60  
WEATHER COV.....  
WEATHER TYPE....NONE NONE NONE NONE NONE NONE  
TEMP............66 67 75 79 82 83  
RH..............81 81 60 49 44 43  
20FT WIND DIR...S S S S S S  
20FT WIND SPD...6 6 9 10 12 10  
20FT WIND GUST..13 15 18 21 22 22  
MIX HGT (FT)....400 1000 2500 4200 5500 5900  
MIX HGT (M).....120 300 760 1280 1680 1800  
TRANSPORT WIND..S 12 S 13 S 18 S 24 S 24 S 24  
TRAN WIND (M/S).S 5 S 6 S 8 S 11 S 11 S 11  
CHC OF THDR (%).0 0 0 0 0 0  
 

 
 
WIND SPEEDS ARE IN MPH UNLESS OTHERWISE NOTED.  
 
FORECASTER...SCOTT UNGER  
REQUESTED BY...ROBERT VICK  
TYPE OF REQUEST...PRESCRIBED  
.TAG 2511066.0/OHX  
.DELDT 04/19/25  
.FORMATTERVERSION 2.0.0  
.EMAIL ROBERT_VICK@NPS.GOV,FREDERICK_SMITH@NPS.GOV  
 
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